Cassegrain telescopes are typically characterized by having a combination of a primary concave mirror and a secondary convex mirror, which
You will need to collimate all telescopes from time to time, but Newtonian telescopes are especially prone to collimation issues
For centuries, there has always been the ongoing debate of reflecting vs refracting telescopes. Telescopes are classified according to the
What planets are visible tonight? Some of the best views in astronomy actually come from the planets and not stars.
Have you owned a telescope for years but never managed to actually see the Southern Cross with it, and let